Getting enough water to the plants and providing good drainage are two main concerns.
Green roof and nurseries differences.
However the green roof has to be designed to support the kinds of plants you intend to grow.
It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants.
There are three types of green roofs.
Suitable for low sloped residential roofs and retrofits.
This adds to the expense of a green roof.
A green roof like your lawn is generally flat thin 4 6 of soil and planted with a family of short plants called sedum.
But the difference between a green roof and a rooftop garden is kind of like the difference between a turf lawn and a patio garden bed with trees and shrubs.
However they each have a separate set of goals.
This article describes the distinction between the two and outlines the benefits of each.
According to the environmental protection agency epa the surface of a green roof on a hot summer day can be as much as 90 f cooler than the surface of a traditional rooftop.
Green and blue roofs are both excellent choices when it comes to environmental sustainability.
But in general the construction of a green roof includes a waterproof membrane a root barrier and drainage layer then the substrate and finally the plantings.
Plants for intensive and semi intensive green roofs.
Extensive green roofs designed for environmental solutions.
Two a green roof is akin to a garden.
Intensive green roofs are widely used on commercial buildings where owners want to have large green areas that incorporate all sizes and types of plants these roofs will have grasses ground covers flowers shrubs and even trees.
If you want any large or tall plants you ll need a semi intensive or intensive green roof.
Typically these roofs will have more soil and some small shrubs as well as the low growing wildflowers and sedums found on an extensive roof.
On green roofs plants cool air through natural processes and shield buildings from high heat levels produced by direct sunlight.
Desert grasses and succulent plants.
3 6 of light weight growing medium.
Ideal for large flat roof buildings and apartments.
One of the easiest green roof constructions is available from a company called greengrid.
One they are heavy due to soil and the fact your plants need water to survive.
Both benefit the environment.
A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species.
The benefits of green roofs are undeniable.
Due to the differences in growing medium between an extensive and intensive green roof the latter can accommodate deeper plantings with more diversity.
Components of an intensive green roof click for high res version intensive.
You have to nurture it in order for it to thrive unless it.
However the practicality of green roofs is the sticking point for many people.